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Species · Kansas · BBS 2026 Release · 1966–2025

Barred Owl Population Trend in Kansas

All statesBirds of prey

Barred Owl in Kansas has surged: up 13× on the route-weighted index since 1969.

13×Since 1969TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
41Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
46YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Barred Owl Trends in KansasNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Barred Owl in Kansas. See the full index history below.

Barred Owl Population Forecast in Kansas

If the recent trend holds, Barred Owl in Kansas is projected to fall about 13% by 2030 — from 0.50 in 2025 to a central estimate of 0.43 (95% range 0.20–0.67). A 5-year backtest shows a typical error of ±20%, with 100% of held-out values landing inside the 95% band.

-13%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.43Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.20–0.6795% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±20%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Barred Owl in Kansas is projected to fall about 13% by 2030 — from 0.50 in 2025 to a central estimate of 0.43 (95% range 0.20–0.67). A 5-year backtest shows a typical error of ±20%, with 100% of held-out values landing inside the 95% band.19672030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.410.170.64
20270.410.180.64
20280.420.190.65
20290.430.200.66
20300.430.200.67

Barred Owl Survey Routes in Kansas

Routes recording Barred Owl in Kansas.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Trading Post420252000
Humboldt320221979
Seneca320211984
Goessel320242001
Olathe220171976
Dover220221973
Buckeye220121994
Kanopolis220232001
Grantville220211986
Hanover220182018
Hollenberg220221994
Beloit 2220082008
Pittsburg220172005
Morehead220252005
Hopewell220142014
Olsburg220252007
Rock Creek 2220252023
Melrose120181967
Galesburg120251977
Lapland120182005
Wellington119701970
Dalton120242005
St John120012001
Coats119971997
Barclay120152004

Barred Owl Population Trend in Other States

alabamaalaskaarkansascaliforniaconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.